An addition-line ninjutsu that augments the killing power of a blade — like a kunai or sword — by flowing chakra into it. The materialised chakra is shaped like a blade, cutting up everything it touches. It is also possible to alter the attack range of the weapon by adjusting the amount of chakra put into the blade. Seeing through the movements is said to be very difficult.

The density of the chakra is so high it becomes visible. It not only raises the power of the weapon, but simultaneously turns oneself into a blade as well. The chakra-enhanced blades are strong and sharp enough to cut through solid rock and iron. The technique works best with elemental chakra, especially with Wind Release-natured chakra which greatly increases the offensive cutting power.